Effect of a distal protection device on epicardial blood flow and myocardial blush in primary percutaneous coronary intervention / 中华急诊医学杂志

ABSTRACT

Objective To study the effect of a distal protection device (Pereusurge GuardWire GW) on epicardial blood flow and myocardial perfusion in primary percutaneous coronary intervention. Method Acute STEMI patients treated with primary PCI were eligible to be studied. Inclusion criteria were (1) within 12 hours from the onset of chest pain;(2) culprit leision with diameter stenosis≥70% and TIMI flow grade≤2. Exclusion criteria were(1) patients undergoing thrombolytic therapy before PCI; (2) a culprit lesion in the left main coronary artery;(3)reference vessel diameter